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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 92 | /** |
| 93 | * Filters which capabilities a role has. |
| 94 | * |
| 95 | * @since 2.0.0 |
| 96 | * |
| 97 | * @param array $capabilities Array of role capabilities. |
| 98 | * @param string $cap Capability name. |
| 99 | * @param string $name Role name. |
| 100 | */ |
| 101 | $capabilities = apply_filters( 'role_has_cap', $this->capabilities, $cap, $this->name ); |
| 102 | |
| 103 | if ( !empty( $capabilities[$cap] ) ) |
| 104 | return $capabilities[$cap]; |
| 105 | else |
| 106 | return false; |
| 107 | } |
| 108 | |
| 109 | } |
| 110 | |